Volume 29.2, Issue 58, July 1993, Pages 238-244
A.H. ZAGHLOUL; LH. AHMED
Volume 24.1, Issue 47, October 1990, Pages 220-224
M.A. SELEIM; TH.S. ABDEL ALL; LH. AHMED
Volume 24.1, Issue 47, October 1990, Pages 225-232
M.A. SELEIM; F.M. MAKADY; LH. AHMED
Volume 23.1, Issue 45, April 1990, Pages 184-190
M.A. ALI; A.S. SALEH; SAMIA SELEIM; LH. AHMED